Patents by Inventor Anders Wallner

Anders Wallner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and device for mammographic stereotactic punction of pathological lesions in the female breast
    Patent number: 4930143
    Abstract: Method and apparatus for stereotactic localization of cancer suspect lesions of the female breast in connection with X-ray mammography. The object is imaged in two directions, and the position of the lesions is calculated from the parallax displacement between the two images. The X-ray tube and the film are held stationary, and the parallax displacement is effected by moving the object laterally.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: May 29, 1990
    Inventors: Bengt Lundgren, Anders Wallner
  • Method of rolling metal blanks
    Patent number: 4007617
    Abstract: Rod or wire shaped material is produced by substantial reduction of the cross-sectional area of a metal blank in each of two types of alternating, sequentially arranged rolling passes, each of one type of pass being effected by flat-rolling the blank in at least one pair of rolls having substantially smooth roll barrels, and each of the other type of pass being effected by upset-rolling the blank in at least one pair of rolls having grooves which exhibit a rounded groove bottom.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: February 15, 1977
    Assignee: AB Metalform
    Inventors: Curt Gunnar Falk, Per-Olof Strandell, Per Erik Albrecht, Goran Anders Wallner